Home / 804,045.20-1,206,989.40-471,808.40

Finding the Fourth Proportional to 804,045.20, 1,206,989.40 and 471,808.40

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Solution

The fourth proportional to 804,045.20, 1,206,989.40 and 471,808.40 is: 708,253.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,045.20 : 1,206,989.40 = 471,808.40 : x
  2. Step 2: Convert to fraction form
    804,045.20/1,206,989.40 = 471,808.40/x
  3. Step 3: Cross multiply
    804,045.20x = 1,206,989.40 × 471,808.40
  4. Step 4: Simplify right side
    804,045.20x = 569,467,737,630.96
  5. Step 5: Solve for x
    x = 569,467,737,630.96/804,045.20
  6. Step 6: Final answer
    x = 708,253.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.